BOS to BNA flight delays

BOS BNA Boston Logan to Nashville · 942 miles

8,432 flights were scheduled from BOS to BNA over July 2023 through June 2026. Of the 8,287 that made the trip, 75.1% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
8,432
Arrived on time
75.1%
Cancelled
1.4%
Scheduled distance
942 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on BOS–BNA, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Southwest Airlines 75.7% 62 min 1% 2,732
JetBlue Airways 72.8% 69 min 1.2% 2,344
Delta Air Lines 77.6% 81 min 0.7% 1,498
Republic Airways 76.8% 67 min 2.3% 1,243
Spirit Airlines 71.6% 65 min 3.5% 511
SkyWest Airlines 73% 2% 102

A dash under typical delay means fewer than 30 of that airline’s flights arrived 15 minutes late or more — too few to average.

Month by month

July was the month to avoid on BOS–BNA: 66.7% of flights arrived on time, against 81.1% in February. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 75.1%.
Arrival on-time share, BOS to BNA, by calendar month
Month Share flights that arrived on time Flights
January 78.3% 506
February 81.1% 469
March 81% 633
April 76.9% 684
May 70.8% 839
June 68.9% 822
July 66.7% 760
August 78.4% 726
September 75.2% 776
October 75.4% 903
November 79.2% 680
December 75.9% 634

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

BOS to BNA in one number

BOS → BNA

When a flight on this route was late, it was late by about 68 min.

July 2023–June 2026 · 8,432 flights

75.1% of flights arrived on time

Questions about BOS to BNA

Which airline is most reliable from BOS to BNA?
Delta Air Lines — its flights on this pairing arrived on time 77.6% of the time, with 1,498 scheduled. Spirit Airlines came in at 71.6% over 511 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly BOS to BNA?
July, at 66.7% of arrivals on time, with 760 flights scheduled. February was the best of the year at 81.1%.
How late are BOS–BNA flights when they are late?
68 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the BOS to BNA flight cancelled?
1.4% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at BNA less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.